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Re: [ARM]Extra load store/instructions compared to gcc-3.4
On Wed, Apr 25, 2012 at 05:00:40PM +0400, Alexander Monakov wrote:
> This is a case when ivopts pass makes too many induction variables, exceeding
> the number of available registers. If you want to debug it, see
> ivopts_global_cost_for_size in tree-ssa-loop-ivopts.c and its callers;
> perhaps, the issue is that it fails to account for IVs created in inner loops
> when processing outer loops.
Thank you, I will check it.
> In any case, I recommend to create a bug report in the GCC bugzilla for this
Yep, will do it.
> Hope that helps,
local ext. 3964